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Sorbents. Method for reduction and dispersion of samples

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Diesel fuel. Determination of cetane index by calculation method

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Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 2. Measuring-system characteristics and statistics for processing of data

Document status: Replaced by GOST 31371.2-2020

Pyropowders and varnish powders. Methods for determination of graphite fraction of total mass

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Nitric acid for industrial use. Determination of total acidity. Titrimetric method

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Raremetallic concentrates. Method for the determination of iron (general)

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